Finding the Fourth Proportional to 2,488.32, 3,730.46 and 927.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.32 : 3,730.46 = 927.45 : x
2. Step 2: Convert to fraction form
   2,488.32/3,730.46 = 927.45/x
3. Step 3: Cross multiply
   2,488.32x = 3,730.46 × 927.45
4. Step 4: Simplify right side
   2,488.32x = 3,459,810.49
5. Step 5: Solve for x
   x = 3,459,810.49/2,488.32
6. Step 6: Final answer
   x = 1,390.42